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23 July, 09:41

Which numerical setup can be used to calculate the heat energy required to completely melt 100. grams of H2O (S) at 0°C?

1. (100. g) (334 J/g)

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  1. 23 July, 11:05
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    1. (100. g) (334 J/g)

    Explanation:

    We are given;

    Mass of ice at 0°C is 100 g

    We are required to identify the numerical setup that will give the energy required to melt 100 g of ice at 0°

    The process of converting ice at 0°C to water at 0°C is known as melting. The process does not involve any changes in water. During melting heat energy is absorbed to break the forces of attraction between molecules. The heat energy absorbed, Q is calculated by multiplying the latent heat of fusion by the mass of ice. That is;

    Q = mass * latent heat of fusion

    In this case;

    The latent heat of fusion of water is 334 Joules/g

    Therefore;

    Heat absorbed, Q = 100 g * 334 J/g

    = (100 g) (334J/g)

    Thus, the appropriate numerical setup to calculate the heat absorbed is (100 g) (334J/g)
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